1) To not give two fucks about anyone or anything. To be a dick and very inconciderate in a public place.

2) To be a complete asshole outside of your house and not care if you get booked

3) To go out during the weekend with your closet friends and party the night away while not caring what you look like cause your having so much fun

4) Making a fucking riot in a place of business.

5) Destoying public propertiy in a non orderly fasion.

1) Lets go out to the mall tonight and fuck shit up.
2) Lets so if we can get away with fucking shit up at the police station.
3) Tony: What are you doing tonight
Rod: Fucking shit up with you and the crew
4) Lets got to the store and fuck shit up
5) Mr. Asshole over there yelled at us last week for being on him lawn. Well im going to fuck shit up at his house tonight. That will show that cock boy to fuck with me.

The act of destroying property or causing inappropriate mischief at a party, generally whilst under the influence of a alcohol. Commonly abbreviated to FSU (which may be used as a noun or as a literal abbreviation).

Chant: "Let's go fuck shit up! Let's go fuck shit up!

The sign on the wall at the Gala ball read: "No FSU"

Whoever discharged the fire extinguisher in the elevator nearly ruined the Convention for everyone. They really should have fucked shit up elsewhere hey?